Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Amazon's Black Friday sale was filled with incredible deals on fitness equipment, but the most shocking came from Bowflex . The brand's adjustable dumbbells , arguably the most popular model ever, were listed on sale after a long stretch without any discount, dropping the price to below the $400 mark for the first time in over a year . The goo...
